baber/WOPTO huggingface dataset:
Patent GB-598326-A (GB)
Title: Shock absorber structure
IPC: F16F9/36
Filed: 1945-07-25
Abstract: 598,326. Hydraulic shock-absorbers. MONROE AUTO EQUIPMENT CO. July 25, 1945, No. 19076. Convention date, Aug. 28, 1944. [Class 108 (iii)] A hydraulic shock-absorber comprises a pressure cylinder A, Fig. 2, from one end of which projects endwise a closure D, Fig. 4, an outer tubular casing J concentric with the cylinder A, and. means for locking the closure D in assembled relation with the cylinder including an assembly of individual parts forming a closure for the space between the casing J and closure D, one of the parts being fastened to the casing and another of the parts being fastened to the closure D. A locking ring 29 is.screwed by tool slots 34 on to a thread on the inner end of the casing J, a washer 32 and sealing ring 31 then being pressed against the face of the ring 29 by a locking ring 30, similar to the ring 29 but threaded to the closure D with the help of tool slots 35. Diametrically spaced tool holes in the washer 32 are prevented from lying over the slots 34 in the ring 29 (thus preventing extrusion therethrough of the sealing ring 31) by diametrically punched projections 36 spaced from the tool holes and which lie in the slots 34 to position the washer. The opposite end .of the cylinder A is closed by a cup-shaped body 40 in which are seated spring-loaded compression and rebound valves 48, 50, respectively, which control flow of liquid between the cylinder A and the reserve chamber 10, the valve 48 having a restricted orifice 60. An auxiliary chamber K communicates with the reserve chamber 10 by a port 80 over which is arranged a channelshaped deflector-plate 81. The piston B carries spring-loaded compression and rebound valves 16, 21, respectively, openings 18 permitting flow through the valve 16 on the rebound stroke. Air-bleed notches 70, 71 are provided at the top of each end of the cylinder A. The notch 70 is formed in the closure member D and is aligned with the notch 71 by means of an indentation 72 in the casing J which engages a slot 38, in the flange of the closure member D. Liquid scraped off the piston rod C by a gland 24, 25 is returned to the reserve space 10 by ports 26, 27 in the member D. A dust shield M co-operates with a mud-wiping pad 75.
Patent GB-370273-A (GB)
Title: Improvements in ink ribbon feeding mechanism for printing machines
IPC: B41L47/48
Filed: 1931-07-02
Abstract: 370,273. Ink - ribbon mechanism. ADDRESSOGRAPH CO., 901, West Van Buren Street, Chicago, U.S.A. July 2, 1931, No. 19144. Convention date, Dec. 15, 1930. [Class 100 (iv).] In feeding and reversing-mechanism of the kind comprising a reciprocating driving-member 34 adapted to be moved into operative relationship with either of the ribbon spools 12, 13, the position of the driving-member is determined by a pivoted member 62 arranged and adapted to move in a plane at right-angles to the driving-member. The latter is pivoted at 26 to a reciprocating bell crank 17 and is formed at one end with a pin 35 to engage ratchets 36, 37 on the spools. The other end carries a pin 27 embraced by arms 30 of a pivoted dog 28 which with the spring 31 constitutes an over-centre device. The ribbon reversal is effected by moving the pin 35 on the driving- member into engagement with the ratchet 37. For this purpose, the driving-member is formed with wings 38, 39, having cam surfaces 40, 41. Arms 47, 48 carrying ribbon-engaging rollers 50, 51 are pivotally mounted on a shaft 49 and are held in position by a spring 54. Each arm carries an adjustable screw 56, 59 extending towards the pivoted member 62 which is formed with projecting fingers 63, 64, and is arranged so that these fingers are movable into engagement with the cam surfaces 41, 40 respectively, but are normally held out of engagement by the tapering sides of a projection 66 on the member 62 which engage the flattened sides of a pin 70, mounted on a spring-held pivoted member 68. As the ribbon winds on the spool 13 the arm 47 moves inwardly until the screw 56 engages the member 62, which finally presses aside the member 68 and interposes the finger 64 in the path of the cam surface 40. As the driving-member moves outwards, the surface 40 engages the finger 64 and the driving-member pivots upwards, until the spring 31 of the over-centre device snaps it into engagement with the upper ratchet, the driving-member being meanwhile held in an upper position by a pivoted latch 78. The spools are held against inadvertent movement by spring- pressed plugs 75 which bear against the spool shafts.
Patent GB-1469886-A (GB)
Title: Process for converting particulate sodium sesquicarbonate or  carbonate to a product of lower bulk density comprising  wegscheidrs salt -3na hco3, na2co3-
IPC: C01D7/14
Filed: 1974-05-01
Abstract: 1469886 Treating sodium sesquicarbonate or sodium carbonate monohydrate ALLIED CHEMICAL CORP 1 May 1974 [2 May 1973(2)] 19183/74 Heading C1A Particles comprising sodium sesquicarbonate or sodium carbonate monohydrate are treated to produce particles of reduced bulk density in the form of randomly oriented microcrystalline needles comprising Wegscheider's Salt by heating the particles in a reaction zone at 70- 105‹ C. (70-100‹ C. for the carbonate monohydrate) in contact with a gas mixture containing 15-85% CO 2 , 15-85% H 2 O vapour (15- 70% for the carbonate monohydrate) and 0- 45% inert gas until the particles contain at least 10% Wegscheider's salt and continuing the reaction at 70-105‹ C. with net production of water until the particles contain at least 20% by weight of Wegscheider's salt and less than 12% of water. The pressure within the reaction zone is preferably between 12 and 25 lb./in.<SP>2</SP> absolute, the preferred conditions for the treatment of the carbonate monohydrate particles is a temperature of 85-95‹ C. and a mixture containing 40-65% vol. CO 2  and 20-40% vol. H 2 O vapour and for the sesquicarbonate is a temperature of 90-100‹ C. and a gas mixture containing 45-70% vol. CO 2  and 25-40% vol. H 2 O vapour. The reaction is preferably continued until the particles contain at least 50, preferably at least 85% by weight of Wegscheider's salt. A portion of the water produced in the reaction zone is preferably condensed by cooling and the resulting gas mixture may be recycled to the reaction zone. The process provides a composition in the form of granular particles of sodium carbonate monohydrate having therein randomly oriented micro-needles of Wegscheider's salt, the composition containing at least 20% by weight of the salt, the remainder being sodium carbonate monohydrate, sodium bicarbonate and/or sodium sesquicarbonate and having a bulk density of 12-35 lb./ft.<SP>3</SP>, a water content of less than 12% by weight and 0À15- 0À44 ml./g. of pores of up to 2 microns in diameter. Such a composition preferably contains at least 50% by weight and preferably more than 85% by weight of Wegscheider's salt. The process also provides a composition in the form of needles of sodium sesquicarbonate having randomly oriented micro-needles of Wegscheider's salt randomly distributed therein in amounts of more than 50% by weight preferably more than 85% by weight. This composition has a bulk density of 12-25 lb./ft.<SP>3</SP>, a water content of less than 7% by weight and 0À02 to 0À42 ml./g. of pores up to 2 microns in diameter.
Patent GB-658756-A (GB)
Title: Apparatus for indicating the torque output of machines
Inventor: ROBINSON VICTOR SNOW
IPC: G01L3/14
Filed: 1948-07-16
Abstract: 658,756. Dynamometers. LACY-HULBERT & CO., Ltd. July 16, 1948. No. 19208. [Class 106 (ii)] A device for indicating the tension on a rope, hauling a cable through an underground duct by means of a capstan, comprises an epicyclic gear 11, 12, 15, with brake shoes 17, 18, drawn together by a screw 19 and wheel 20 and having a limited arc of travel under load, the pressure between a lug 27 and the frame being indicated by a hydraulic pressure unit and gauge calibrated to indicate tension in pounds, tons, &c. A petrol engine 1 drives an epicyclic gear 3 through a coupling 2, the outer wheel 15 of the epicyclic gear having teeth on the inner surface and a smooth external surface on which the brake shoes 17, 18 act. No drive is transmitted by the epicyclic gear to the capstan 6, 9 until the brake shoes are applied, when the shoes and their pivot 21 tend to revolve with the gear 15. A limited travel is permitted by the slotted member 23, the travel being limited by contact of the arm 27 with a hydraulic pressure unit 24 of the bellows or deformable type co-operating with pressure gauges 29, 30. Separate pressure gauges are provided as shown for the top and bottom capstan in order to facilitate calibration which is carried out by loading a beam attached to the capstan with the drive locked and stationary. The dial scales may be rotated by a knob 32 to reset the zero mark to eliminate no load pressure due to frictional losses, and a movable cursor 31 is provided to indicate the maximum permitted pull to the operator.
Patent GB-198251-A (GB)
Title: Improvements in connection with internal combustion engines
IPC: F02B25/00
Filed: 1922-07-13
Abstract: 198,251. North British Diesel Engine Works (1922), Ltd., and Maclagan, J. C. M. July 13, 1922. Two-stroke-cycle engines; frames.-In engines of the kind described in Specification 173,145 wherein a cylinder reciprocates over one or more fixed combustion heads, one of the columns 10, 11, which support the head or heads is used as a receiver for compressed air, this being delivered to the cylinder through one or two manifolds 15, 16, which telescope into glands 17, 18 in the column.
Patent GB-147180-A (GB)
Title: Improvements in valve operating mechanism for fluid-pressure engines
IPC: F01L1/12
Filed: 1920-07-07
Abstract: 147,180. Stumpf, J. Dec. 18, 1914, [Convention date]. Cam gears.-in a steam or other fluid-pressure engine, quicker movement and increased opening of an inlet, exhaust or intermediate valve is obtained by operating the valve from an eccentric driven at a multiple of the speed of the crankshaft, the eccentric being rendered inoperative during revolutions intermediate to the valve opening revolutions by mechanism operated by a shaft driven at the speed of the crank-shaft. In the arrangement shown in Fig. 3, the valve spindle 13 carries a cam 12 which is acted upon by a roller on a lever 11, pivoted at 10, and operated by an eccentric 3 on a shaft 1 driven at twice the speed of the crank-shaft. In order to render the eccentric 3 inoperative on alternate strokes, the pivot 10 is carried by a bell-crank 15, which is oscillated by an eccentric 7 on a shaft 6 driven at the speed of the crank-shaft. Alternatively the pivot 10 may be fixed, the rod 8 being moved sideways by the eccentric 7 to effect disengagement. The bell-crank 15 may be replaced by a lever pivoted at one end, and the lever 11 may be pivoted to the lever, or may be curved and roll on the lever. The lever may be operated by an eccentric or by a cam acting on a roller on the end of a rod attached to the lever. In a n-iodification, a lever pivoted to an arm on the lever 11 is connected at one point to an eccentric on the shaft 1, and at another point to an eccentric, on the shaft 6. Fig. 8 shows a valve gear of the type in which the valve spindle 13 is operated by a cam lever 11, which is engaged by a roller on a lever 30 operated by a cam 34 on an eccentric 3, mounted on a shaft 1 revolving at twice the speed of the crank-shaft, and rendered inoperative at alternate strokes by an eccentric 7 on the shaft 6, the rod of which is pivoted to a lever 27 connected by a link 29 to the rod 8 of the eccentric 3. The lever 27 is also pivoted to a bell-crank 26 which is operated by the governor. In the arrangement shown in Fig. 10, a valve 13 at each end of the cylinder is operated by a tappet 38 on a spindle 36, which is oscillated by' an eccentric 3 on the spindle 1 revolved at twice the speed of the crank shaft. The two valves 13 are operated alternately, the shaft 36 being moved axialy, alternately to engage and disengage the tappets 38, by a grooved cam 40 loosely mounted on the spindle 36 and engaging a pin 41. The cam is driven at half the speed of the shaft 1 by gear wheels 5, 4. The Specification as open to inspection under Sect. 91 (3) (a) states that the invention is applicable also to two-stroke internal-combustion engines. This subject-matter does not appear in the complete Specification as accepted.
Patent GB-147571-A (GB)
Title: Improvements in and relating to the manufacture of composite conductors for dynamo-electric machines and other electric apparatus
IPC: H02K3/12
Filed: 1920-07-08
Abstract: 147,571. Siemens - Schuckertwerke. Dec. 14, 1917, [Convention date]. Conductors of the stranded type shown as incompletely formed are formed by making close flat coils of one or more conductors and then pulling out these coils until they acquire the desired section, when they are stranded together to form the complete conductor. Insulating-material may be inserted in the conductor, or it may be left hollow to facilitate cooling.
Patent GB-278134-A (GB)
Title: Improvements in and connected with sparking plugs
IPC: H01T13/54
Filed: 1926-08-06
Abstract: 278,134. Martin, N. M. Aug. 6, 1926. Sparking - plugs.- The central conductor 10 is secured to a nut 9 of insulating material, both being readily removable from the plug. The nut 9 is permanently associated with a bush 15 having a flange 15<a> which is retained on a conical enlargement of the rod 10 by a nut threaded on the rod-extension 13. When the rod 10 is not enclosed in a metallic sleeve an internally and externally threaded cap 16 is interposed between the outer end of the insulator and the nut 9. The sleeve 7 and central electrode may be tapered. Specification 253,780 is referred to.
Patent GB-811501-A (GB)
Title: Improvements in or relating to ropes
Inventor: METCALF ALFRED GUEST
IPC: D07B1/02
Filed: 1955-07-06
Abstract: 811,501. Ropes. BRITISH ROPES Ltd. June 27, 1956 [July 6, 1955], No. 19547/55. Class 109 [Also in Group IX] In a strand consisting of a centre yarn 3 and at least two layers each consisting of a plurality of helically laid yarns 4, 5, or a rope composed of such strands, the component yarns or filaments are of different materials, the centre yarn 3 having a higher extensibility, i.e. higher percentage extension at break, and higher elasticity, i.e. a greater percentage extension under a given load, than the outer yarns 4, 5 of the strands so that load distribution and breaking strength are improved. Among many examples given are the inner yarns 3 of high tenacity nylon and the outer yarns 4, 5 of high tenacity polyethylene terephthalate; inner yarns 3 of medium tenacity nylon, yarns 4 of high tenacity nylon, and outer yarns 5 of high tenacity polyethylene terrephthalate; inner yarns 3 of medium tenacity polyethylene terephthalate, yams 4 of high tenacity polyethylene terephthalate, outer yarns 5 of high tenacity cellulose acetate; inner yarns 3 of low tensile wire, yarns 4 of medium tensile wire, and outer yarns 5 of high tensile wire; inner yarns 3 of natural or synthetic rubber, yarns 4 of staple nylon and yarns 5 of high or medium tenacity nylon.
Patent GB-1101006-A (GB)
Title: Machine for shelling nuts
IPC: A23N5/00
Filed: 1965-05-10
Abstract: 1,101,006. Shelling nuts. SODESCAL SOCIEDADE DE MAQUINAS DE DESCAQUE Ltd. 10 May, 1965 [11 May, 1964; 6 April, 1965], No. 19571/65. Heading A2Q. A machine for shelling nuts, particularly cashew nuts, comprises a plurality of pairs of opposed, reciprocating heads 21, mounted on two discs 14, secured to an axle 9, rotated by a motor (not shown). Pivoted around each head are a plurality of nut-clasping claws 23. During each revolution of the discs 14, a nut is fed, from a cup 52 on an endless travelling, vertical chain-conveyer 48, between each pair of heads, when they are spaced apart, and the nut is held between the opposed free ends of two reciprocating bars 35 passing through the heads. The heads 21 then move towards each other, and their claws turn inwardly about their pivots to clasp the nut. The bars 35 then move apart to release the nut, and the two heads start to move apart to break the shell of the nut into two halves - a half-shell being retained in the clasping claws 23 of each head. Reciprocating rods 38 (passing through the bars 35) then move towards each other, and pierce the half-shells, thus ejecting any kernels still adhering thereto. The kernels drop into a discharge shoot 3. The claws on the retreating heads turn outwardly to release the half-shells, which fall through a discharge shoot 4. Nuts are fed into the machine through a shoot 2.
Patent GB-1481142-A (GB)
Title: Stirring apparatus
IPC: B01F15/06
Filed: 1976-04-21
Abstract: 1481142 Stirring apparatus IMPERIAL CHEMICAL INDUSTRIES Ltd 21 April 1976 [9 May 1975] 19613/75 Heading B1C A stirrer 6 for removing heat from a reaction mix has a central closed cavity 9 containing a heat transfer medium in which is immersed one end of a rod or tube 11 which. extends through the stirrer drive shaft 7 and the other end of which is provided with pins 13 in a vessel 12 to which cooling medium is supplied. The heat transfer medium may be a metallic powder, thermally conductive cement or oil, or (preferably) a thermal grease. The rod or tube 11 is preferably a closed tube containing a low pressure boiling/condensing system which transports heat from the stirrer cavity by means of the latent heat of vaporization.
Patent GB-912522-A (GB)
Title: An improved hermetically sealed shaft coupling
Inventor: MUNRO ROBERT
IPC: F16J15/52
Filed: 1961-05-31
Abstract: 912,522. Linkwork conveying rotary motion. HYDRO-PNEUMATICS Ltd. May 31, 1961, No. 19621/61. Class 80 (3). [Also in Group XXVI] In a hermetically sealed shaft coupling of the kind wherein the end 17 of a bent shaft 6 engages a bearing cup 10 rotatably mounted in a socket 12 in a crank 8 on a shaft 7, and a flexible tube 18 extends from the bearing cup 10 to a flange 22 on the housing, twisting of the flexible tube is prevented by a rigid sleeve 13 fast with the bearing cup 10 and formed at its opposite end with a hexagonal head 23 which engages with play a correspondingly-shaped socket fast with the housing. The play between the head 23 and socket permits conical rocking of the sleeve 13 whilst preventing rotation. The crank drive is balanced by a counterweight 26 fast with the crank 8.
Patent GB-1123844-A (GB)
Title: Input device for electronic equipment
Inventor: GASPER WALTER
IPC: H03K17/967
Filed: 1967-04-28
Abstract: 1,123,844. Selective printing; keyboards. ELEKTRONISCHE RECHENMASCHINEN KARL - MARX - STADT WISSENSCHAFTLICHER INDUSTRIEBETRIEB VEB. 28 April, 1967, No. 19630/67. Heading B6F. A keyboard comprises an array of elastically deformable transducers so arranged, under an apertured plate, that insertion of a finger through a hole stresses a corresponding combination of transducers. In Fig. 3 each transducer is a resistance wire passing four times along its row or column. Each wire forms one limb of a bridge (Fig. 5, not shown), one of the 'other limbs containing a similar wire so as to effect temperature compensation. In a second embodiment (Fig. 4, not shown) arranged to give a pure binary output, each transducer comprises resistance wire laid (e.g. by etching, vapour deposition or printing) in a zig-zag fashion (Fig. 2a, not shown) on a resilient base, and each is associated with a single aperture.
Patent GB-400731-A (GB)
Title: Terminal connection for sparking-plug leads
IPC: H01T13/04
Filed: 1932-07-12
Abstract: 400,731. Wire terminals ; binding- posts. PYKE, H. M. and SHACKLETON, N. E., 10, Lord Street, Birkenhead. July 12, 1932, No. 19644. [Class 38 (i).] A sheet - metal blank is bent to form a socket 1 to receive a lead 2, and a pair of radial overlapping apertured wings 3, 4 to receive the stem 6 of a binding-post or sparking-plug. The wings are resiliently biassed to move the apertures 5 out of register so as to grip the stem. The wings may be folded and interleaved. The terminal may be attached to the lead 2 by passing a wire through perforations 8, or it may replace the usual nut on the stem 6 if an ordinary eye terminal is employed on the lead.
Patent GB-1066055-A (GB)
Title: Preparation of organic derivatives of hydrazine
Inventor: HINCHLIFFE MICHAEL DAVID
IPC: C07D237/16
Filed: 1963-05-18
Abstract: Organic derivatives of hydrazine are prepared by contacting an isohydrazone with an acid to yield a reaction medium containing a hydrazine salt and subsequently converting said hydrazine to a hydrazine derivative in the presence of the reaction medium from which aldehyde or ketone may have been separated. In a modification of the process the isohydrazone is contacted with a mixture of the acid and a substance containing an acidic function with which the hydrazine salt reacts to form a hydrazine derivative.  Examples describe the preparation of hydrazo-diisobutyronitrile, dehydrourea, maleic hydrazide, benzene sulphonylhydrazide, oxy - bis - (benzene sulphonylhydrazide), thiosemicarboxide, N,N1-di - (b  - carboxy - acroyl) - hydrazine (which may be hydrolysed to maleic hydroxide and maleic acid), and N-phthalimido-phthalimide.  Reference has been directed by the Comptroller to Specifications 890,334 and 893,388.ALSO:In Example 1, an aqueous solution of hydrazine sulphate is prepared by adding methyl ethyl ketone isohydrazone to aqueous sulphuric acid and distilling off the methyl ethyl ketone formed. Reference has been directed by the Comptroller to Specifications 890,334 and 893,388.
Patent GB-812061-A (GB)
Title: Improvements in plugs for bath and sink discharge openings and the like waste fittings
IPC: A47K1/14
Filed: 1955-07-09
Abstract: 812,061. Waste plugs for baths &c. FISHER, W. & T. July 9, 1956 [July 9, 1955], No.19914/55. Class 26. A closure plug for a bath, sink or like waste fitting 5 comprises a rigid centre portion and a peripheral groove 3 the walls of which are permanently fixed in relation to one another, the groove carrying a sealing ring 4 of spongelike rubber or like soft cellular resilient material which projects to engage the wall of the fitting. The centre portion may be formed by a pair of discs 1, 2, the disc 2 carrying a thumb-piece in the form of a cross-bar 7, or the parts 1, 2, 7 may be formed as a plastic moulding.